The Liqui Moly Service Interval Kit - 137506 is a comprehensive set of products designed to provide regular maintenance and upkeep for a car. This kit includes a variety of products that are essential for maintaining the performance and longevity of a vehicle.

The contents of this kit include oil, oil filter, air filter, fuel filter, spark plugs, brake fluid, coolant, and transmission fluid. These products are crucial for ensuring the smooth operation of a car's engine, as well as its braking and cooling systems.

The oil in this kit helps to lubricate the engine and keep it running smoothly, while the oil filter helps to remove impurities and debris from the oil. The air filter helps to keep the engine clean by filtering out dust and dirt particles. The fuel filter is responsible for removing impurities from the fuel before it reaches the engine.

The spark plugs are essential for the ignition process in a car's engine, while the brake fluid is crucial for maintaining proper braking performance. The coolant helps to regulate the engine's temperature and prevent overheating. Lastly, the transmission fluid is responsible for keeping the transmission running smoothly.

Overall, the Liqui Moly Service Interval Kit - 137506 is a comprehensive package of essential products that can help keep a car in top condition. By regularly using these products, car owners can ensure the longevity and optimal performance of their vehicle.